import java.util.Scanner;
public class GuessNumber {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String again;
        //1.生成答案数字
        do {
            int answer = (int) (Math.random() * 100 + 1);
            //2.接受玩家猜测的数字
            int chances = 7;
            while (chances > 0) {
                System.out.println("请猜一个1-100之间的整数(含1和100)," + "你还有" + chances + "次机会,输入-1可结束本轮游戏:");
                int guess;
                try{
                    guess=scan.nextInt();
                }catch (Exception e){
                    System.out.println("请输入合法数字");
                    scan.next();
                    continue;
                }
                //3比较答案数字与猜测数字的关系
                if (guess==-1) {
                    break;
                }else if (guess>answer){
                    System.out.println("大了");
                } else if (guess < answer) {
                    System.out.println("小了!");
                } else {
                    System.out.println("恭喜你!猜对了!");
                    break;
                }
                chances = chances - 1;
            }
            if (chances <= 0) {
                System.out.println("你没有机会啦!!");
            }
            //4.每猜一次就比较一次

            System.out.println("再玩儿一次吗？ (y/n)");
            again = scan.next();
        }while ( again.equalsIgnoreCase("y"));
    }
}
